Garlic, Gut And Memory (IMAGE) Experimental Biology Caption Oral allyl sulfide administration reduces the age-related memory problem through restoration gut bacteria in the intestine (rNDNF= recombinant neuronal-derived natriuretic factor). Credit Neetu Tyagi and Jyotirmaya Behera, University of Louisville. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.